Amino Acids (AA)

<p>Applications 1,2:4,5-bis-O-(1-Methylethylidene)-β-D-Fructopyranose is a reagent in the synthesis of antibacterial/antifungal monosaccaride esters. Also used in the synthesis of antihyperlipidemic novel compounds involving glycosyl fructose derivatives.<br>References Shen, Y. et al.: Molecules, 17, 8661 (2012); Tiwari, P. et al.: Bioorg. Med. Chem. Lett., 16, 6028 (2006);<br></p>

<p>Applications N-Boc-propargylamine is used in the preparation of triazolobenzylidene-thiazolopyrimidines which act as CDC25 phosphatase inhibitors. Also used in the synthesis of β-glucan polysaccharide analogs.<br>References Duval, R. et al.: J. Comb. Chem., 11, 947 (2009); Tanaka, H. et al.: Tetrahedron Lett., 53, 4104 (2012);<br></p>

<p>Applications L-Leucic Acid is a reagent in the synthesis of cryptophycins based macrocyclic depsipeptides which are used as tubulin inhibitors.<br>References Kumar, A., et al.: Eur. J. Med. Chem., 93, 55 (2015)<br></p>

<p>Applications Substrate for TenA enzyme in the thiamin salvage pathway<br>References Jenkins, A., et al.: Nat. Chem. Biol., 3, 492 (2007), Jenkins, A., et al.: Bioorg. Chem., 36, 29 (2008),<br></p>

<p>Applications 2-Methylresorcinol (cas# 608-25-3) is a useful research chemical.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br></p>

<p>Applications 2,6-Diaminopimelic Acid is useful in biological studies involving amino acids and amino sugars as molecular indicators of the origins of organic matter in buried tephra soils.<br>References Hobara, S., et al.: Geoderma, 373, 114449 (2020)<br></p>

<p>Applications Useful for the synthesis of Biocytin containing peptides to study the mechanism of reactions catalyzed by biotin - containing enzymes.<br>References Bodanszky, M., and Fagan, D.T.: J. Am. Chem. Soc., 99, 235 (1977)<br></p>

<p>Applications L-Lysine-2,6,6-d3 HCl is a useful isotopically labeled compound of L-Lysine HydrochlorideDISCONTINUED PLEASE SEE L486915 (L468923)<br></p>

<p>Impurity Paliperidone USP Related Compound A<br>Applications 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone USP Related Compound A) is used in the synthesis of Paliperidone (P141000). Intermediate.<br>References Rein, A., et al.: Curr. Opin. Drug Discovery Dev., 3, 734 (2000),<br></p>

<p>Applications A synthetic intermediate.<br>References Blakemore, R., et al.: Eur. J. Med. Chem., 22, 91 (1987),<br></p>

<p>Applications 4-Methyl-valerophenone is an intermediate used in the synthesis of a-Pyrrolidinoisohexanophenone (Hydrochloride) (P841230), which is a phenone derivative used for research purposes.<br>References Guo, Z.K., et al.: Marine Drugs, 16, 45/1 (2018)<br></p>

<p>Applications 3-Methylbutyric-2,2-d2 Acid (CAS# 95927-02-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-Methylpropylamine is used in the synthesis of arylsulfonamide inhibitors that act upon afflictions of osteoarthritis. In addition, it is used in the synthesis of novel reservatrol amide derivatives that act as anti-tumor agents.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Yao, Ri-Sheng. et al.: Eur. J. Med. Chem. Lett., 62, 222 (2013); Nuti, E. et al.: Eur. j. Med. Chem., 62, 379 (2013)<br></p>

<p>Applications L-Tryptophan-d3 is a deuterium labelled amino acid, which is a protein building block. The unlabelled L-Tryptophan (T947210) is also available.<br>References Goze, C., et al.: Eur. J. Pharmacol., 643, 153 (2010), Bhandare, P., et al.: J. Chem. Pharm. Res., 2, 372 (2010),<br></p>

<p>Applications cis-Propenylphosphonic Acid (R)-(+)-α-Methylbenzylamine Salt is used as a reagent in the microbial production of Fosfomycin (F727505); a compound used as an antibiotic in the treatment of urinary tract infections.<br>References Watanabe, M., et al.: Appl. Environ. Microb., 65, 1036 (1999); Itoh, N., et al.: Appl. Microbiol. Biot., 43, 394 (1995); White, R.F., et al.: Appl. Microbiol., 22, 55 (1971); Keating, G. et al.: Drugs, 73, 1951 (2013); Demir, T. et al.: Int. J. Infect. Dis., 17, e966 (2013)<br></p>

<p>Stability Hygroscopic<br>Applications Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. Cysteine is commonly used as a precursor in the food and pharmaceutical industries. Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.<br>References Hui, N. et al.: Meat Sci. Appl., 74 (2001); Kiviharju, K. et al.: J. Biotechnol., 117, 299 (2005); Pecivova, P. et al.: J. Sci. Food Agric., 90, 1681 (2010);<br></p>

<p>Applications Labelled analogue of an essential amino acid found in naturally produced peptides. Unlike its stereoisomer, L-tryptophan, it is not used in structural or enzyme proteins.<br>References Karunakaran, S.et al.: Bochem. J., 414, 343 (2008); Pallaghy, P.K. et al.: Biochem., 38, 11553 (1999);<br></p>

<p>Applications 1-(4-Hydroxy-3-methoxyphenyl)-1-propanone is a derivative of Guaiacol, a precursor to various flavorants, such as eugenol and vanillin.<br>References Allen, C., et al.: Org. Synth., 3, 418 (1955); Esposito, L., et al.: Kirk-Othmer Encyclopedia of Chemical Technology, 4th edition, 24, 812 (1997)<br></p>

<p>Applications 1-(4-Methoxyphenyl)piperazine (cas# 38212-30-5) is a useful research chemical.<br></p>

<p>Applications An intermediate in the preparation of Ethosuximide.<br></p>

<p>Applications L-Methionine Sulfoxide 13C1 is a labelled analogue of L-Methionine Sulfoxide ( M260450). L-Methionine Sulfoxide ( M260450) an intermediate in the synthesis of the acyclic amino carboxylic acid L-Methionine sulfoximine.<br>References Lee, B., et al.: J. Biol. Chem., 283, 28361 (2008), Nordqvist, A., et al.: Bioorg. Med. Chem., 16, 5501 (2008);Balog, E., et al.: Biochem., 48, 3005 (2009);<br></p>

<p>Applications 3-Methyl Salicylic Acid is a toxic compound, it’s toxicity is similar to salicylic acid. Reagent used in manufacturing and preparation of dyes.<br>References Egorova, T. V., et al.: Tekstil'naya Promyshlennost , 3, 48 (1987); Keshavarz, M. H., et al.: J. Hazard. Mater., 237, 79 (2012)<br></p>

<p>Applications 2-Methylindoline is an intermediate in the production of various indole derivatives<br>References Severino, B., et al.: Bioorg. Med. Chem., 16, 6009 (2008); Zlotos, D., et al.: J. Med. Chem., 52, 826 (2009);<br></p>

<p>Applications (3-Methyl-2-butenyl)triphenyl-phosphonium Bromide (cas# 1530-34-3 ) is a compound useful in organic synthesis.<br></p>

<p>Stability Hygroscopic<br>Applications L-Saccharopine is a product of breakdown of essential amino acid Lysine (L468895). Saccharopine is also part of the α-aminoadipate pathway of fungal lysine biosynthesis.<br>References Higashino, K., et al.: Biochem. Biophys. Res. Commun., 20, 285 (1965); Johansson, E., et al.: Structure, 8, 1037 (2000)<br></p>

<p>Stability Hygroscopic<br>Applications 3-Methyl-2-oxobutyric acid calcium salt (cas# 51828-94-5) is a useful research chemical.<br></p>

<p>Stability Temperature Sensitive<br>Applications Precursor of Diazomethane. It has a cytotoxicity effect.This product contains an undetermined amount of water.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Huggins, C., et al.: J. Exp. Med., 131, 321 (1970), Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975),<br></p>

<p>Applications 3-METHYL-4-(TRIFLUOROMETHYL)ANILINE (cas# 106877-31-0) is a useful research chemical.<br></p>

<p>Applications L-Lysine-3,3,4,4,5,5,6,6-d8 Dihydrochloride, is the labelled L-Lysine, a naturally occurring amino acid which is used in the labelling of human bone marrow mesenchymal stem cells for analysis.<br>References Rocha, B. et al.: J. Prot. Res., 11, 5350 (2012); Kumar, D. et al.: Polym. J., 45, 160 (2013);<br></p>

<p>Stability Moisture and Temperature Sensitive<br>Applications Galacto-PUGNAc is a highly selective inhibitor for β-hexosaminidases HEXA and HEXB is cell-permeable. Galacto-PUGNAc is able to modulate the activity of HEXA and HEXB in tissue culture, increasing ganglioside GM2 levels in neuroblastoma cells<br>References Stubbs, K.A. et al.: Angew. Chem. Int. Ed., 48, 1300 (2009);<br></p>

<p>Applications Used for the synthesis of Bortezomib from L-phenylalanine via dipeptidyl boronic acid ester intermediates.<br>References Zhu, Y., et al.: J. Med. Chem., 52, 4192 (2009),<br></p>

<p>Applications A protected glutamic acid for use in peptide synthesis.<br>References Takahashi, M., et al.: J. Exp. Biol., 200, 401 (1997), Michaelis, E., et al.: Prog. Neurobiol., 54, 369 (1998), Koch, H., et al.: Mol. Pharmacol., 55, 1044 (1999), O'Kane, R., et al.: J. Biol. Chem., 274, 31891 (1999),<br></p>

<p>Applications (R)-D-Methioninol<br></p>

<p>Applications 4,4'-Methylene-d2-dianiline (CAS# 215590-72-0) is a useful isotopically labeled research compound.<br></p>

<p>Applications L-Abrine is an indoleamino acid that displays radical scavenging and antioxidant properties.<br>References Yang, M., et al.: Food. Funct., 5, 2268 (2014);<br></p>

<p>Applications Used in the methods of detecting nitrotyrosine and aminotyrosine residues of peptides and proteins. Also used in the studies on the separation and photometric determination of antiepileptics.<br>References Quednow, B., et al.: Pharmazie, 34, 724 (1979),<br></p>

<p>Applications N-Acetyl-L-Tryptophan, is a derivative of L-Tryptophan (T947210), that can be used as competitive inhibitor to identify and characterize tryptophanases. It can also be used as an NK1 tachykinin receptor antagonist, that may help to develop a novel therapeutic intervention for the treatment of reperfusion injury in acute ischemic stroke.<br>References Turner, R. J., et al.: Neuroscience, 220, 1 (2012);<br></p>

<p>Applications An amino acid isolated from Cholera vibrio.<br>References Windsor, et al.: J. Biol. Chem., 192, 595 (1951), Scott, A.I., et al.: Synth. Commun., 10, 127 (1980),<br></p>

<p>Applications N-Boc-L-cis-4,5-Methanoprolineamide is an intermediate used to prepare methanoprolinenitrile-contg. dipeptide mimetics as DPP-IV inhibitors and as antidiabetic agents.<br>References Magnin, D., et al.: J. Med. Chem., 47, 2587 (2004)<br></p>

<p>Applications Methyl 4-Methyl-3-hydroxybenzoate is used in the preparation of potent antimalarial agents. Also used in the preparation of aromatic inhibtors of anthranilate synthase.<br>References Fattorusso, C. et al.: J. Med. Chem., 51, 1333 (2008); Payne, R. et al.: Org. biomol. Chem., 3, 3629 (2005);<br></p>

<p>Applications Deuterated Repaglinide, a non-sulfonylurea oral hypoglycemic agent which is used as an antidiabetic.<br>References Wolffenbuttel, B.H.R., et al.: Eur. J. Clin. Pharmacol., 45, 113 (1993), Ampudia-Blasco, F.J., et al.: Diabetologia, 37, 703 (1994),<br></p>

<p>Applications L-Thioproline is used to create a monolayer on gold electrodes for the determination Copper(II). L-Thioproline has shown to be an effect inhibitor of proline absorption in Saccharomyces chevalieri.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Cui, X., et. al.: Sci. China Chem., 53, 257 (2010); Magana-Schwenchke, N., Schwencke, J.: BBA-Biomembranes, 173, 313 (1969)<br></p>

<p>Stability Hygroscopic<br>Applications 3-Chloro-L-tyrosine was used in the enzymatic synthesis of halogen derivatives of aromatic amino acids labeled with hydrogen isotope. 3-Chloro-L-tyrosine exhibited stronger antioxidant properties in Hb-induced oxidative stress as was evident by higher efficiency of reduction of ferryl species.<br>References Winnicka, E., et al.: J. Chem. Eng., 8, 54 (2014); Lu, N., et al.: Toxicol. In Vitro, 28, 847 (2014);<br></p>

<p>Applications Bisphenol B Mono-β-D-glucuronide is a metabolite of Bisphenol B (B519565), which is the analogue of Bisphenol A (B519495), that is used to make certain plastic an epoxy resins. BPA and its analogs, are also shown to activate human pregnane X receptor (PXR), a nuclear receptor that functions as a master regulator of xenobiotic metabolism.<br>References Krishnan, A.V., et al.: Endocrinology, 132, 2279 (1993); Steinmetz, R., et al.: Trends Endocrinol. Metab., 9, 124 (1998); Petersen, H., et al.: Eur. Food Res. Technol., 216, 355 (2003); Yipeng, S., et al.: Env Hea. Pers., 120, 399 (2012);<br></p>

<p>Applications L-Lysine L-Malate is used in the preparation of amino acid ionic liquids for use in food and medical field.<br></p>

<p>Applications Intermediate in the preparation of 2,3-Desisopropylidene Topiramate, a metabolite of Topiramate<br></p>

<p>Applications N-Methyltaurine Sodium Salt is used in the analysis of the changing properties of anionic surfactants and the development of new skin cleansers or soaps. It is the salt of N-Methyltaurine, a compound used in sperm cryopreservation studies. N-Methyltaurine is also used in the studies relating to effects on oxidative damage to erythrocytes via phenylhydrazine.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Pokhrel, P.K. et al.: Adv. Exp. Med. Biol., 483, 503 (2000); Miyahara, R. et al.: Fragr. J., 28, 11 (2000); Garde, J.J. et al.: Bio. Repro., 69, 602 (2003);<br></p>

<p>Applications 2-Amino-5-chloro-3-methylbenzoic Acid is a useful research chemical for the preparation of benzoyl urea containing anthranillic acid groups with insecticidal activity.<br>References Peng, Y., et al.: Nongyao, 48, 326 (2009);<br></p>

<p>Applications α-Methyl-L-phenylalanine is used to prepare hippuryl-α-methylphenylalanine and hippuryl-α-methylphenyllactic acid as substrates for carboxypeptidase A. It is also used in the synthesis of high affinity tachykinin NK2 receptor antagonists.<br>References Lee, M., et al.: Bioorg. Med. Chem., 8, 815 (2000); Boyle, S., et al.: Bioorg. Med. Chem., 2, 101 (1994)<br></p>

<p>Applications 3-Chloro-2-methyl-1-propene has been used in the synthesis of 2-S-substituted pyrimidines as antimetabolites of nucleic acid precursors for cancer therapy.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Kaldrikyan, M.A., Melik-Ohanjanyan, R.G.: Hayastani Kimiakan Handes, 67, 321 (2014)<br></p>

<p>Applications D-Lysine Methyl Ester is a protected form of D-Lysine (L468930). D-Lysine is the unnatural isomer of L-Lysine (L468895) that has the ability to reduce non-enzymatic glycation in vitro. D-Lysine also exists as polypeptide chains of poly-D-lysine, a nonspecific adhesion-promoting molecule that has the potential to be a polymeric drug carrier.<br>References Chen, Q. et al.: J. Biol. Chem., 269, 26602 (1994); Sensi, M., et al.: Diabetologia, 36, 797 (1993); Vermeersch, H. &amp; Remon, J.: J. Control. Rel., 32, 225 (1994)<br></p>

<p>Stability Hygroscopic<br>Applications L-Ornithine is a non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.<br>References Fattori, D., et al.: J. Med. Chem., 50, 550 (2007), Gomez-Alonso, S., et al.: J. Agric. Food Chem., 55, 608 (2007), Subramaniam, R., et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008),<br></p>

<p>Applications 3-Methyl-1,3-butanediol is a useful compound in carbon oxygen coupling reactions.<br></p>

<p>Applications E677525<br>References Shimizu, T., et al.: Chem. Pharm. Bull., 53, 313 (2005)<br></p>

<p>Applications (R)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid, is an amino acid building block used in peptide synthesis. With a growing peptide drug market the fast, reliable synthesis of peptides is of great importance.<br></p>

<p>Applications 3-Bromo-L-tyrosine is used in the preparation and synthesis of polyclonal antibodies that work against brominated protein related allergic responses and afflictions. Also effective in asthma control and prediction in children.<br>References Kambayashi, Y. et al.: J. Clin. Biochem., 44, 95 (2009); Wedes, S. et al.: J. Ped., 159, 248 (2011);<br></p>

<p>Applications Labelled analogue of L-Vailne. L-Valine is an essential amino acid and one of 20 proteinogenic amino acids. L-Valine cannot be manufactured by the body and must be acquired through diet or supplementation. L-valine is found in grains, dairy products, mushrooms, meats, peanuts and soy proteins. L-Valine has been used in studies to attenuate arrhythmias and induce hypotensive effects.<br>References Choi, C.W. et al.: Anim. Feed Sci. Technol., 102, 15 (2002); Kolarski, D. et al.: Krmiva, 30, 155 (1988); Oba, M. et al.: J. Dairy Sci., 93, 2044 (2010); Mitrega, K. et al.: Pharmacol. Res., 64, 218 (2011);<br></p>

<p>Applications 3,5-Dichloro-4-methylaniline<br></p>

<p>Applications 3-Methoxy-2',4',6',4-tetrahydroxychalcone piperidine complex (cas# 52218-19-6) is a useful research chemical.<br></p>

<p>Applications Sorbicillin analog. A bioactive secondary metabolites from terrestrial Streptomyces species TN262.<br>References Ma, L. et al. : J. Anitibiot. 64, 645 (2011); Elleuch, L. et al.: Appl. Biochem. Biotech. 162, 579 (2010)<br></p>

<p>Applications L-Leucine is an essential amino acid. L-Leucine acts as a nutrient signal to stimulate protein synthesis. It has also activates the mammalian target of rapamycin kinase that regulates cell growth.<br>References Demant, T. et al.: Am. J. Physiol., 270, E1022 (1996); Diraison, F. et al.: Am. J. Physiol., 277, E529 (1999); Suryawan, A. et al.: J. Anim. Sci., 89, 2004 (2011); Peyrollier, K. et al.: Biochem. J., 350, 361 (2000);<br></p>

<p>Stability Moisture Sensitive<br>Applications An inhibitor of alkaline phosphatase isoenzymes. An analog of Homoarginine (H585000).<br>References Muth, W., et al.: J. Biol. Chem., 249, 7463 (1974), Hanukoglu, I., et al.: Eur. J. Biochem., 180, 479 (1989), Khaw, L., et al.: J. Bacteriol. 180, 809 (1998), Gallagher, D., et al.: J. Mol. Biol., 342, 119 (2004),<br></p>

<p>Applications N-Acetyl-S-benzyl-d5-L-cysteine is deuterium labelled N-Acetyl-S-benzyl-L-cysteine, which is a metabolite of toluene.<br>References Gargas, M., et al.: Toxicol. Appl. Pharmacol., 98, 87 (1989), Commandeur, J., et al.: Pharmacol. Rev., 47(2), 271 (1995), Campo, P., et al.: Neurotoxicol. Teratol., 21, 427 (1999), Lohse, C., et al.: J. Agr. Food Chem., 48, 5913 (2000),<br></p>